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If Java, if you are not careful you can possibly hide both methods and variables of the superclass. A field or variable is said to hide all fields with the same name in superclasses. Similarly, a...
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Hello guys, In the past, I have shared a lot of useful resources like books and tutorials to learn Data Structure and Algorithms in Java. I have also shared a lot of Data Structure and Algorithmic...
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In one of the recent programming job interview, one of my readers was asked the question, how do you join two tables which are not related to each other? i.e. they don't have any common column?...
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Hello all, today, I am going to share an interesting SQL Server interview question which will not only help you in your interview but also in your day-to-day work. It explains one of the key concepts...
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One of the most important task for a Java developer is to learn multi-threading and learn it correctly. There are more Java developers who know multi-threading incorrectly than the programmer who...
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Hello guys, this is one of the common error in a client-server application. The big problem in solving this error is not the error but the knowledge of how client-server SSL handshake works. I have...
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The main difference between WHERE and HAVING clause comes when used together with GROUP BY clause, In that case WHERE is used to filter rows before grouping and HAVING is used to exclude records...
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Hello guys, if you have been self-preparing for Spring Professional 5.0 exam then you might have struggled with which topics to prepare and which topics to leave out. I often receive questions like...
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1) The difference between checked and unchecked Exception in Java? For checked exceptions, the compiler ensures that they are either handled using try-catch, try-finally or try-catch-finally block or...
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Enhanced for loop was added way back in 2004 in Java and it provides an easy and cleaner way to iterate over array and Collection in Java. The introduction of forEach() in Java 8 has further improved...
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